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Annotation of sys/arch/macppc/macppc/db_interface.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: db_interface.c,v 1.7 2003/10/15 17:50:16 drahn Exp $  */
                      2: /*      $NetBSD: db_interface.c,v 1.12 2001/07/22 11:29:46 wiz Exp $ */
                      3:
                      4: #include <sys/param.h>
                      5: #include <sys/proc.h>
                      6: #include <sys/systm.h>
                      7:
                      8: #include <dev/cons.h>
                      9:
                     10: #include <machine/db_machdep.h>
                     11: #include <ddb/db_extern.h>
                     12:
                     13: int ddb_trap_glue(struct trapframe *frame); /* called from locore */
                     14:
                     15: void
                     16: Debugger()
                     17: {
                     18:        ddb_trap();
                     19: }
                     20:
                     21: int
                     22: ddb_trap_glue(struct trapframe *frame)
                     23: {
                     24:        if (!(frame->srr1 & PSL_PR)
                     25:            && (frame->exc == EXC_TRC
                     26:                || (frame->exc == EXC_PGM && (frame->srr1 & 0x20000))
                     27:                || frame->exc == EXC_BPT)) {
                     28:
                     29:                bcopy(frame->fixreg, DDB_REGS->tf.fixreg,
                     30:                        32 * sizeof(u_int32_t));
                     31:                DDB_REGS->tf.srr0 = frame->srr0;
                     32:                DDB_REGS->tf.srr1 = frame->srr1;
                     33:
                     34:                cnpollc(TRUE);
                     35:                db_trap(T_BREAKPOINT, 0);
                     36:                cnpollc(FALSE);
                     37:
                     38:                bcopy(DDB_REGS->tf.fixreg, frame->fixreg,
                     39:                        32 * sizeof(u_int32_t));
                     40:
                     41:                return 1;
                     42:        }
                     43:        return 0;
                     44: }